{"reward":0.999873,"geometry_similarity":0.9997457545508739,"cad_spec_consistency":1.0,"combined":0.9998728611131953,"geometry_similarity_reason":"reference.FCStd vs answer.FCStd: overall=1.000 [solid_count=1 (matched)] (surface_types=1.000, volume=1.000, surface_area=1.000, principal_moments=1.000, icp=0.999); surface_types_diff=0.008% (Matched); volume_diff=0.004% (Matched); surface_area_diff=0.001% (Matched); bbox_diff=0.000% (OCCT OBB; gate passed); principal_moments_diff=0.006% (Matched); icp[reference.FCStd vs answer.FCStd: reward=0.999 rmse=2.0991e-04 max_residual=4.8274e-04 mm]","cad_spec_consistency_reason":"spec.json vs answer.FCStd: spec_score=1.000 (30/30 consistent, 0 inconsistent, 0 not_found; failure_budget=10)"}